<template>
  <div>
    <button class="button">
      <div class="bg"></div>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 342 208"
        height="208"
        width="342"
        class="splash"
      >
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M54.1054 99.7837C54.1054 99.7837 40.0984 90.7874 26.6893 97.6362C13.2802 104.485 1.5 97.6362 1.5 97.6362"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M285.273 99.7841C285.273 99.7841 299.28 90.7879 312.689 97.6367C326.098 104.486 340.105 95.4893 340.105 95.4893"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M281.133 64.9917C281.133 64.9917 287.96 49.8089 302.934 48.2295C317.908 46.6501 319.712 36.5272 319.712 36.5272"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M281.133 138.984C281.133 138.984 287.96 154.167 302.934 155.746C317.908 157.326 319.712 167.449 319.712 167.449"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M230.578 57.4476C230.578 57.4476 225.785 41.5051 236.061 30.4998C246.337 19.4945 244.686 12.9998 244.686 12.9998"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M230.578 150.528C230.578 150.528 225.785 166.471 236.061 177.476C246.337 188.481 244.686 194.976 244.686 194.976"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M170.392 57.0278C170.392 57.0278 173.89 42.1322 169.571 29.54C165.252 16.9478 168.751 2.05227 168.751 2.05227"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M170.392 150.948C170.392 150.948 173.89 165.844 169.571 178.436C165.252 191.028 168.751 205.924 168.751 205.924"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M112.609 57.4476C112.609 57.4476 117.401 41.5051 107.125 30.4998C96.8492 19.4945 98.5 12.9998 98.5 12.9998"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          d="M112.609 150.528C112.609 150.528 117.401 166.471 107.125 177.476C96.8492 188.481 98.5 194.976 98.5 194.976"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M62.2941 64.9917C62.2941 64.9917 55.4671 49.8089 40.4932 48.2295C25.5194 46.6501 23.7159 36.5272 23.7159 36.5272"
        ></path>
        <path
          stroke-linecap="round"
          stroke-width="3"
          stroke-opacity="0.3"
          d="M62.2941 145.984C62.2941 145.984 55.4671 161.167 40.4932 162.746C25.5194 164.326 23.7159 174.449 23.7159 174.449"
        ></path>
      </svg>

      <div class="wrap">
        <svg
          xmlns="http://www.w3.org/2000/svg"
          fill="none"
          viewBox="0 0 221 42"
          height="42"
          width="221"
          class="path"
        >
          <path
            stroke-linecap="round"
            stroke-width="3"
            d="M182.674 2H203C211.837 2 219 9.16344 219 18V24C219 32.8366 211.837 40 203 40H18C9.16345 40 2 32.8366 2 24V18C2 9.16344 9.16344 2 18 2H47.8855"
          ></path>
        </svg>

        <div class="outline"></div>
        <div class="content">
      <span class="char state-1">
        <span data-label="按" style="--i: 1">按</span>
        <span data-label="钮" style="--i: 2">钮</span>
      </span>

          <div class="icon">
            <div></div>
          </div>

          <span class="char state-2">
        <span data-label="按" style="--i: 1">按</span>
        <span data-label="钮" style="--i: 2">钮</span>
      </span>
        </div>
      </div>
    </button>

  </div>
</template>
<script setup lang="ts">
import {onMounted} from "vue";

onMounted(() => {

})
</script>
<style scoped>
.button {
  --white: #ffe7ff;
  --purple-100: #f4b1fd;
  --purple-200: #d190ff;
  --purple-300: #c389f2;
  --purple-400: #8e26e2;
  --purple-500: #5e2b83;
  --radius: 18px;

  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  font-size: 23px;
  font-family: Arial;
  background: transparent;
  letter-spacing: -1px;
  border: 0;
  position: relative;
  width: 220px;
  height: 80px;
  transform: rotate(353deg) skewX(4deg);
}

.bg {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  filter: blur(1px);
}
.bg::before,
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: calc(var(--radius) * 1.1);
  background: var(--purple-500);
}
.bg::before {
  filter: blur(5px);
  transition: all 0.3s ease;
  box-shadow:
    -7px 6px 0 0 rgb(115 75 155 / 40%),
    -14px 12px 0 0 rgb(115 75 155 / 30%),
    -21px 18px 4px 0 rgb(115 75 155 / 25%),
    -28px 24px 8px 0 rgb(115 75 155 / 15%),
    -35px 30px 12px 0 rgb(115 75 155 / 12%),
    -42px 36px 16px 0 rgb(115 75 155 / 8%),
    -56px 42px 20px 0 rgb(115 75 155 / 5%);
}

.wrap {
  border-radius: inherit;
  overflow: hidden;
  height: 100%;
  transform: translate(6px, -6px);
  padding: 3px;
  background: linear-gradient(
    to bottom,
    var(--purple-100) 0%,
    var(--purple-400) 100%
  );
  position: relative;
  transition: all 0.3s ease;
}

.outline {
  position: absolute;
  overflow: hidden;
  inset: 0;
  opacity: 0;
  outline: none;
  border-radius: inherit;
  transition: all 0.4s ease;
}
.outline::before {
  content: "";
  position: absolute;
  inset: 2px;
  width: 120px;
  height: 300px;
  margin: auto;
  background: linear-gradient(
    to right,
    transparent 0%,
    white 50%,
    transparent 100%
  );
  animation: spin 3s linear infinite;
  animation-play-state: paused;
}

.content {
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  position: relative;
  height: 100%;
  gap: 16px;
  border-radius: calc(var(--radius) * 0.85);
  font-weight: 600;
  transition: all 0.3s ease;
  background: linear-gradient(
    to bottom,
    var(--purple-300) 0%,
    var(--purple-400) 100%
  );
  box-shadow:
    inset -2px 12px 11px -5px var(--purple-200),
    inset 1px -3px 11px 0px rgb(0 0 0 / 35%);
}
.content::before {
  content: "";
  inset: 0;
  position: absolute;
  z-index: 10;
  width: 80%;
  top: 45%;
  bottom: 35%;
  opacity: 0.7;
  margin: auto;
  background: linear-gradient(to bottom, transparent, var(--purple-400));
  filter: brightness(1.3) blur(5px);
}

.char {
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.char span {
  display: block;
  color: transparent;
  position: relative;
}
.char span:nth-child(5) {
  margin-left: 5px;
}
.char.state-1 span:nth-child(5) {
  margin-right: -3px;
}
.char.state-1 span {
  animation: charAppear 1.2s ease backwards calc(var(--i) * 0.03s);
}
.char.state-1 span::before,
.char span::after {
  content: attr(data-label);
  position: absolute;
  color: var(--white);
  text-shadow: -1px 1px 2px var(--purple-500);
  left: 0;
}
.char span::before {
  opacity: 0;
  transform: translateY(-100%);
}
.char.state-2 {
  position: absolute;
  left: 80px;
}
.char.state-2 span::after {
  opacity: 1;
}

.icon {
  animation: resetArrow 0.8s cubic-bezier(0.7, -0.5, 0.3, 1.2) forwards;
  z-index: 10;
}
.icon div,
.icon div::before,
.icon div::after {
  height: 3px;
  border-radius: 1px;
  background-color: var(--white);
}
.icon div::before,
.icon div::after {
  content: "";
  position: absolute;
  right: 0;
  transform-origin: center right;
  width: 14px;
  border-radius: 15px;
  transition: all 0.3s ease;
}
.icon div {
  position: relative;
  width: 24px;
  box-shadow: -2px 2px 5px var(--purple-400);
  transform: scale(0.9);
  background: linear-gradient(to bottom, var(--white), var(--purple-100));
  animation: swingArrow 1s ease-in-out infinite;
  animation-play-state: paused;
}
.icon div::before {
  transform: rotate(44deg);
  top: 1px;
  box-shadow: 1px -2px 3px -1px var(--purple-400);
  animation: rotateArrowLine 1s linear infinite;
  animation-play-state: paused;
}
.icon div::after {
  bottom: 1px;
  transform: rotate(316deg);
  box-shadow: -2px 2px 3px 0 var(--purple-400);
  background: linear-gradient(200deg, var(--white), var(--purple-100));
  animation: rotateArrowLine2 1s linear infinite;
  animation-play-state: paused;
}

.path {
  position: absolute;
  z-index: 12;
  bottom: 0;
  left: 0;
  right: 0;
  stroke-dasharray: 150 480;
  stroke-dashoffset: 150;
  pointer-events: none;
}

.splash {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  stroke-dasharray: 60 60;
  stroke-dashoffset: 60;
  transform: translate(-17%, -31%);
  stroke: var(--purple-300);
}



.button:hover .words {
  opacity: 1;
}
.button:hover .words span {
  animation-play-state: running;
}

.button:hover .char.state-1 span::before {
  animation: charAppear 0.7s ease calc(var(--i) * 0.03s);
}

.button:hover .char.state-1 span::after {
  opacity: 1;
  animation: charDisappear 0.7s ease calc(var(--i) * 0.03s);
}

.button:hover .wrap {
  transform: translate(8px, -8px);
}

.button:hover .outline {
  opacity: 1;
}

.button:hover .outline::before,
.button:hover .icon div::before,
.button:hover .icon div::after,
.button:hover .icon div {
  animation-play-state: running;
}

.button:active .bg::before {
  filter: blur(5px);
  opacity: 0.7;
  box-shadow:
    -7px 6px 0 0 rgb(115 75 155 / 40%),
    -14px 12px 0 0 rgb(115 75 155 / 25%),
    -21px 18px 4px 0 rgb(115 75 155 / 15%);
}
.button:active .content {
  box-shadow:
    inset -1px 12px 8px -5px rgba(71, 0, 137, 0.4),
    inset 0px -3px 8px 0px var(--purple-200);
}

.button:active .words,
.button:active .outline {
  opacity: 0;
}

.button:active .wrap {
  transform: translate(3px, -3px);
}

.button:active .splash {
  animation: splash 0.8s cubic-bezier(0.3, 0, 0, 1) forwards 0.05s;
}

.button:focus .path {
  animation: path 1.6s ease forwards 0.2s;
}

.button:focus .icon {
  animation: arrow 1s cubic-bezier(0.7, -0.5, 0.3, 1.5) forwards;
}

.char.state-2 span::after,
.button:focus .char.state-1 span {
  animation: charDisappear 0.5s ease forwards calc(var(--i) * 0.03s);
}

.button:focus .char.state-2 span::after {
  animation: charAppear 1s ease backwards calc(var(--i) * 0.03s);
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes charAppear {
  0% {
    transform: translateY(50%);
    opacity: 0;
    filter: blur(20px);
  }
  20% {
    transform: translateY(70%);
    opacity: 1;
  }
  50% {
    transform: translateY(-15%);
    opacity: 1;
    filter: blur(0);
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes charDisappear {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-70%);
    opacity: 0;
    filter: blur(3px);
  }
}

@keyframes arrow {
  0% {
    opacity: 1;
  }
  50% {
    transform: translateX(60px);
    opacity: 0;
  }
  51% {
    transform: translateX(-200px);
    opacity: 0;
  }
  100% {
    transform: translateX(-128px);
    opacity: 1;
  }
}

@keyframes swingArrow {
  50% {
    transform: translateX(5px) scale(0.9);
  }
}

@keyframes rotateArrowLine {
  50% {
    transform: rotate(30deg);
  }
  80% {
    transform: rotate(55deg);
  }
}

@keyframes rotateArrowLine2 {
  50% {
    transform: rotate(330deg);
  }
  80% {
    transform: rotate(300deg);
  }
}

@keyframes resetArrow {
  0% {
    transform: translateX(-128px);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes path {
  from {
    stroke: white;
  }
  to {
    stroke-dashoffset: -480;
    stroke: #f9c6fe;
  }
}

@keyframes splash {
  to {
    stroke-dasharray: 2 60;
    stroke-dashoffset: -60;
  }
}

</style>
